Cariere de Maffle is a flooded quarry in Harelbeke, Belgium, providing a current-free freshwater environment suitable for beginner divers. The site features an artificial reef structure and offers depths ranging from 18 to 31 metres. Divers enter from the shore, with the main area located 50 metres out. Visibility is limited, typically between 1 and 5 metres, and the water may have a sulfurous odour. Due to the significant depth and low visibility, divers should monitor bottom time closely and carry a torch. On-site facilities include parking, changing rooms, a cafe, air fills, and first aid, supporting a well-equipped day trip.

Carrière des Trois Fontaines is a sheltered, landlocked freshwater quarry in Wallonia. The site features a combination of natural rock walls and artificial reef structures placed on the bottom. Divers can explore depths ranging from 8 to 18 metres, making it suitable for beginners and those looking to build confidence. Access is via the shore, and the site experiences mild currents. Visibility typically ranges between 3 and 5 metres, so a torch is recommended to inspect the artificial structures. The site is open year-round and accommodates night diving. On-site facilities include parking, showers, changing rooms, toilets, and a café.

Carrière de Dour is a 10-hectare flooded chalk quarry in Belgium offering shore-entry diving. The site features multiple plateaus at varying depths, suitable for both training and exploration. Divers can navigate underwater structures including a sailboat wreck, cars, a motorcycle, and bicycles. Depths range from 5 to 20 metres, with an average of 12 metres. The site is characterised by two distinct thermoclines at 8 and 15 metres. Surface temperatures reach 13 to 20 degrees Celsius in summer, while deeper water remains cold, rarely exceeding 6 degrees Celsius. Visibility fluctuates between 1 and 6 metres. Facilities include parking, toilets, showers, changing rooms, a rinse station, and on-site air fills.

Aqualand in Brussels is a freshwater dive site featuring a distinct drop-off that allows entry-level divers to experience changing depths between 5 and 20 metres. As a controlled-environment location, it serves as a practical training ground for those building comfort at moderate depths. Conditions such as visibility and current are variable, requiring divers to maintain good buoyancy and buddy contact throughout the dive. Due to the cold water temperatures, a well-fitted wetsuit or drysuit is essential for all sessions. A dive torch is recommended to assist with navigation in lower visibility. Air fills are available on-site, and the location operates year-round.

Carrière de Floreffe is a freshwater quarry in Wallonia, Belgium, offering a diverse underwater circuit suitable for beginners. Divers can explore various submerged objects, including a glider, a Cessna aircraft, boats, and a cabin from the former Namur cable car. Navigation is supported by guide ropes connecting these features, while other areas require compass navigation. The site reaches depths between 4 and 20 metres, with an average of 12 metres. Entry is via the shore, and the site accommodates dives of approximately 60 minutes. Conditions include mild currents and visibility ranging from 1 to 10 metres, with a thermocline present. Facilities include parking, changing rooms, showers, a cafe, and guided tours.

Rhisnes is a freshwater quarry in Wallonia, Belgium, offering a distinct combination of cave diving and artificial reef structures. The site ranges from 6 to 40 metres in depth, with an average of 26 metres. Divers should expect variable visibility between 4 and 10 metres and mild currents. Access is via the shore. Due to the overhead environment and depth, this site is suitable for intermediate divers with advanced certification. Proper buoyancy control is essential. Divers should carry primary and backup torches rated for cave use. Check locally for current access arrangements and permit requirements before planning a trip, as facilities remain unconfirmed.

Plate Taille is a freshwater dive site located within the Eau d'Heure Lakes, featuring an artificial reef structure. Divers can expect depths ranging from 8 to 43 metres, with an average depth of 20 metres. The site is accessed from the shore and is situated 250 metres from the bank. Conditions vary, with visibility typically between 2 and 10 metres and moderate currents present. Due to the depth, potential for entanglement, and variable visibility, this site is suited for intermediate divers. Facilities available on-site include parking, toilets, showers, changing rooms, air fills, a dive shop, a cafe, and boat charter services.

Eau d'Heure Lakes in Belgium offers a varied freshwater diving experience within the largest water area in the country. The site features an artificial reef and various underwater structures, providing a unique biotope for exploration. Divers can expect depths ranging from 5 to 43 metres, with an average depth of 20 metres. Entry is via the shore, and conditions include mild currents and visibility between 2 and 10 metres. The site is suitable for beginners and supports night diving. Facilities on-site include parking, toilets, showers, changing rooms, air fills, a dive shop, a cafe, and a rinse station. Be aware of potential hazards including thermoclines, entanglement risks, and low visibility.